Exmark 135-5774-SL V-Belt | OEM 60 Inch Deck Belt 5V-198.75 WITH SLEEVE

Exmark 135-5774-SL V-Belt - OEM Replacement Belt

The Exmark 135-5774-SL V-Belt is a genuine OEM Exmark replacement belt designed for select Exmark Lazer Z mower applications, especially many 60 inch deck configurations. This OEM belt helps deliver consistent power transfer through the mower’s pulley system for dependable cutting performance.

A worn, cracked, glazed, stretched, or slipping mower belt can cause poor blade engagement, belt squeal, uneven cutting, vibration, or unexpected downtime. Replacing your belt with the correct OEM Exmark belt helps restore proper mower operation and protects related pulleys, idlers, and tensioning components.

Exmark 135-5774-SL replaces previous OEM belt numbers 135-5774 and 116-1985. Always verify your full Exmark model number, serial number, deck size, belt routing, and parts diagram before ordering.

Product Details

Key Features

• Genuine OEM Exmark replacement belt
• Part number 135-5774-SL
• Replaces Exmark 135-5774 and 116-1985
• Designed for select 60 inch Exmark Lazer Z mower applications
• Helps deliver consistent drive system power transmission
• OEM quality belt built for heavy-duty mowing conditions
• Helps reduce slipping, stretching, and premature belt wear when installed correctly
• Designed for proper fit, routing, and pulley engagement on compatible machines

Check Common Model Fitment

Use the dropdown sections below to review common Exmark Lazer Z model families associated with Exmark 135-5774-SL V-Belt. This is a simplified fitment guide for easier shopping and is not a guarantee of fitment. Always verify with your full Exmark model number, serial number, deck size, original belt number, belt routing, and parts diagram before ordering.

Important: The dropdown fitment guide is a simplified reference only. Exmark 135-5774-SL fits select Lazer Z models, but compatibility depends on your exact model, serial number, deck size, belt routing, pulley layout, and parts diagram.

Replaces / Cross Reference

Exmark 135-5774-SL replaces the following previous Exmark OEM belt numbers:

• 135-5774
• 116-1985

If your Exmark parts diagram lists 135-5774 or 116-1985, the current OEM replacement is 135-5774-SL.

When Should You Replace Your Mower Belt?

Replace your belt if it is cracked, frayed, glazed, stretched, slipping, squealing, missing chunks, or no longer maintains proper tension. A worn belt can reduce cutting performance, cause poor blade engagement, damage pulleys or idlers, and lead to unexpected downtime.

Before removing the old belt, make note of the exact belt routing around the pulley system. For best results, inspect the pulleys, idlers, tensioner arm, and belt guides when replacing the belt.

Why Choose an OEM Exmark Belt?

Genuine Exmark belts are designed for the correct fit, grip, flexibility, and durability required by compatible Exmark mower systems. Using the correct OEM belt helps maintain proper belt tension, reduce slip, and support dependable mower operation under heavy mowing conditions.

Important Fitment Note

Exmark 135-5774-SL fits select Exmark mower models only. Fitment can vary by model, serial number, deck size, belt routing, pulley layout, and parts diagram.

Before ordering, confirm:

• Your full Exmark model number
• Your Exmark serial number
• Your mower deck size
• Your original belt part number
• Your belt routing diagram
• Your Exmark parts diagram
• Whether your mower uses Exmark 135-5774-SL

If you are unsure, contact P&P Small Engines with your full model and serial number before ordering.

Part Number / Search Terms

Exmark 135-5774-SL may also be searched as:

• 135-5774-SL
• 1355774SL
• Exmark 135-5774-SL
• Exmark 1355774SL
• 135-5774
• 1355774
• 116-1985
• 1161985
• Exmark V belt
• Exmark mower belt
• Exmark deck belt
• Exmark 60 inch deck belt
• Exmark Lazer Z belt
• Exmark Lazer Z AS belt
• Exmark E-Series Lazer Z belt
• Exmark S-Series Lazer Z belt
• Exmark X-Series Lazer Z belt
• Exmark Z-Series Lazer Z belt

Frequently Asked Questions

Is Exmark 135-5774-SL an OEM belt?

Yes. Exmark 135-5774-SL is a genuine OEM Exmark replacement V-belt.

What does Exmark 135-5774-SL replace?

Exmark 135-5774-SL replaces previous Exmark OEM belt numbers 135-5774 and 116-1985.

What models does this belt fit?

This belt fits select Exmark Lazer Z mower applications, including Lazer Z, Lazer Z AS, E-Series, S-Series, X-Series, and Z-Series model families. Always verify by full model number and serial number.

Is this belt for 60 inch Exmark decks?

This belt is commonly associated with select 60 inch Exmark Lazer Z mower applications. Always verify your exact deck size and belt routing before ordering.

Can I install this belt without checking routing?

No. Always confirm belt routing before removing the old belt and verify the correct parts diagram for your exact Exmark model and serial number.

P&P Small Engines stocks genuine Exmark belts, blades, spindles, pulleys, idlers, hydro filters, and commercial mower maintenance parts to help keep your equipment ready to work.